Differential relay type brake cylinder maintaining valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9321446
APP PUB NO 20150061360A1
SERIAL NO

14018529

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Importance

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Abstract

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A brake cylinder maintaining valve feeds brake pipe (BP) pressure through a choke to replenish and maintain brake cylinder (BC) pressure up, when the pressure in the brake cylinder drops below its original set pressure. In one embodiment, the brake cylinder maintaining valve may be a differential type valve having an input diaphragm and an output diaphragm having different surface areas.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NEW YORK AIR BRAKE CORPORATION748 STARBUCK AVENUE WATERTOWN NY 13601

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Vaughn, Lawrence E Watertown, US 18 75

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